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Finding the Fourth Proportional to 222,500.97, 307,045.01 and 130,618.78

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Solution

The fourth proportional to 222,500.97, 307,045.01 and 130,618.78 is: 180,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,500.97 : 307,045.01 = 130,618.78 : x
  2. Step 2: Convert to fraction form
    222,500.97/307,045.01 = 130,618.78/x
  3. Step 3: Cross multiply
    222,500.97x = 307,045.01 × 130,618.78
  4. Step 4: Simplify right side
    222,500.97x = 40,105,844,745.93
  5. Step 5: Solve for x
    x = 40,105,844,745.93/222,500.97
  6. Step 6: Final answer
    x = 180,250.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.